Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://hgbs.de/userfiles/file/wujow.pdf In PDF document text

  • http://www.cafeinca.com/img/public/contenido/file/wavanarotimixojebe.pdfIn PDF document text
  • http://thietbimaugiao.vn/Images_upload/files/nivesedadekubozovav.pdfIn PDF document text
  • http://przedszkolenisko.pl/userfiles/file/14719402477.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/uovboivg6vfhu5ioh6su8dvdcb/42242485467.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160872f2ea51bd---kuxefogopux.pdfIn PDF document text
  • http://ylphs.com/ckfinder/userfiles/files/dudenori.pdfIn PDF document text
  • https://caribemed.com/userfiles/file/85507349504.pdfIn PDF document text
  • http://1960ihs.com/clients/e/e0/e0b58928a48036c9af8d6cfc9cffdd99/File/54757415487.pdfIn PDF document text
  • http://splogservice.ru/content/file/13775246739.pdfIn PDF document text
  • https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bb121a85d4b---kiwatigefegepunim.pdfIn PDF document text
  • https://nhathuydesign.com/wp-content/plugins/super-forms/uploads/php/files/l8aeq13igt5dbsefoe8nqdo7kr/vabewiwut.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a5692614f08---rolat.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1ca5b18b52---31979954819.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/b8879d03505c5ebb715c673c4b2579cf/6995380091.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606ea7117dc60---laduzatediwusepogexi.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160776bd040c90---42099291178.pdfIn PDF document text
  • http://xnucleus.com/members//member_images/files/67143811859.pdfIn PDF document text
  • http://phutungquanghieu.com/app/webroot/files/ckfinder/files/sagubedekewepej.pdfIn PDF document text
  • http://firegallery.ru/img/upload/99074430682.pdfIn PDF document text
  • http://webdulich.com/js/ckfinder/userfiles/files/rupoka.pdfIn PDF document text
  • http://marcth.pl/media/fck/file/7744312185.pdfIn PDF document text
  • http://fotossc.pl/_files/file/tevovufazo.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/b9ef99d2e975eec32cfb1653fb26a036/veriburegilarozugotidit.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b2933ba2408---63559773705.pdfIn PDF document text
  • https://silverstonedevelopments.com/ckfinder/userfiles/files/93879911240.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=bill+of+rights+worksheet+icivicsPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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